214
208
delta = compare_trees(old_tree, new_tree, want_unchanged=False,
215
209
specific_files=specific_files)
218
211
for path, file_id, kind in delta.removed:
220
print >>to_file, '=== removed %s %r' % (kind, path)
221
old_tree.inventory[file_id].diff(diff_file, old_label + path, old_tree,
222
DEVNULL, None, None, to_file)
212
print >>to_file, '*** removed %s %r' % (kind, path)
214
diff_file(old_label + path,
215
old_tree.get_file(file_id).readlines(),
223
220
for path, file_id, kind in delta.added:
225
print >>to_file, '=== added %s %r' % (kind, path)
226
new_tree.inventory[file_id].diff(diff_file, new_label + path, new_tree,
227
DEVNULL, None, None, to_file,
229
for (old_path, new_path, file_id, kind,
230
text_modified, meta_modified) in delta.renamed:
232
prop_str = get_prop_change(meta_modified)
233
print >>to_file, '=== renamed %s %r => %r%s' % (
234
kind, old_path, new_path, prop_str)
235
_maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
236
new_label, new_path, new_tree,
237
text_modified, kind, to_file, diff_file)
238
for path, file_id, kind, text_modified, meta_modified in delta.modified:
240
prop_str = get_prop_change(meta_modified)
241
print >>to_file, '=== modified %s %r%s' % (kind, path, prop_str)
221
print >>to_file, '*** added %s %r' % (kind, path)
226
new_tree.get_file(file_id).readlines(),
229
for old_path, new_path, file_id, kind, text_modified in delta.renamed:
230
print >>to_file, '*** renamed %s %r => %r' % (kind, old_path, new_path)
242
231
if text_modified:
243
_maybe_diff_file_or_symlink(old_label, path, old_tree, file_id,
244
new_label, path, new_tree,
245
True, kind, to_file, diff_file)
232
diff_file(old_label + old_path,
233
old_tree.get_file(file_id).readlines(),
234
new_label + new_path,
235
new_tree.get_file(file_id).readlines(),
238
for path, file_id, kind in delta.modified:
239
print >>to_file, '*** modified %s %r' % (kind, path)
241
diff_file(old_label + path,
242
old_tree.get_file(file_id).readlines(),
244
new_tree.get_file(file_id).readlines(),
249
class TreeDelta(object):
250
"""Describes changes from one tree to another.
259
(oldpath, newpath, id, kind, text_modified)
265
Each id is listed only once.
267
Files that are both modified and renamed are listed only in
268
renamed, with the text_modified flag true.
270
The lists are normally sorted when the delta is created.
279
def __eq__(self, other):
280
if not isinstance(other, TreeDelta):
282
return self.added == other.added \
283
and self.removed == other.removed \
284
and self.renamed == other.renamed \
285
and self.modified == other.modified \
286
and self.unchanged == other.unchanged
288
def __ne__(self, other):
289
return not (self == other)
292
return "TreeDelta(added=%r, removed=%r, renamed=%r, modified=%r," \
293
" unchanged=%r)" % (self.added, self.removed, self.renamed,
294
self.modified, self.unchanged)
296
def has_changed(self):
297
changes = len(self.added) + len(self.removed) + len(self.renamed)
298
changes += len(self.modified)
299
return (changes != 0)
301
def touches_file_id(self, file_id):
302
"""Return True if file_id is modified by this delta."""
303
for l in self.added, self.removed, self.modified:
307
for v in self.renamed:
313
def show(self, to_file, show_ids=False, show_unchanged=False):
314
def show_list(files):
315
for path, fid, kind in files:
316
if kind == 'directory':
318
elif kind == 'symlink':
322
print >>to_file, ' %-30s %s' % (path, fid)
324
print >>to_file, ' ', path
327
print >>to_file, 'removed:'
328
show_list(self.removed)
331
print >>to_file, 'added:'
332
show_list(self.added)
335
print >>to_file, 'renamed:'
336
for oldpath, newpath, fid, kind, text_modified in self.renamed:
338
print >>to_file, ' %s => %s %s' % (oldpath, newpath, fid)
340
print >>to_file, ' %s => %s' % (oldpath, newpath)
343
print >>to_file, 'modified:'
344
show_list(self.modified)
346
if show_unchanged and self.unchanged:
347
print >>to_file, 'unchanged:'
348
show_list(self.unchanged)
352
def compare_trees(old_tree, new_tree, want_unchanged=False, specific_files=None):
353
"""Describe changes from one tree to another.
355
Returns a TreeDelta with details of added, modified, renamed, and
358
The root entry is specifically exempt.
360
This only considers versioned files.
363
If true, also list files unchanged from one version to
367
If true, only check for changes to specified names or
371
from osutils import is_inside_any
249
def get_prop_change(meta_modified):
251
return " (properties changed)"
256
def _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
257
new_label, new_path, new_tree, text_modified,
258
kind, to_file, diff_file):
260
new_entry = new_tree.inventory[file_id]
261
old_tree.inventory[file_id].diff(diff_file,
262
old_label + old_path, old_tree,
263
new_label + new_path, new_entry,
373
old_inv = old_tree.inventory
374
new_inv = new_tree.inventory
376
mutter('start compare_trees')
378
# TODO: match for specific files can be rather smarter by finding
379
# the IDs of those files up front and then considering only that.
381
for file_id in old_tree:
382
if file_id in new_tree:
383
kind = old_inv.get_file_kind(file_id)
384
assert kind == new_inv.get_file_kind(file_id)
386
assert kind in ('file', 'directory', 'symlink', 'root_directory'), \
387
'invalid file kind %r' % kind
389
if kind == 'root_directory':
392
old_path = old_inv.id2path(file_id)
393
new_path = new_inv.id2path(file_id)
396
if (not is_inside_any(specific_files, old_path)
397
and not is_inside_any(specific_files, new_path)):
401
old_sha1 = old_tree.get_file_sha1(file_id)
402
new_sha1 = new_tree.get_file_sha1(file_id)
403
text_modified = (old_sha1 != new_sha1)
405
## mutter("no text to check for %r %r" % (file_id, kind))
406
text_modified = False
408
# TODO: Can possibly avoid calculating path strings if the
409
# two files are unchanged and their names and parents are
410
# the same and the parents are unchanged all the way up.
411
# May not be worthwhile.
413
if old_path != new_path:
414
delta.renamed.append((old_path, new_path, file_id, kind,
417
delta.modified.append((new_path, file_id, kind))
419
delta.unchanged.append((new_path, file_id, kind))
421
kind = old_inv.get_file_kind(file_id)
422
old_path = old_inv.id2path(file_id)
424
if not is_inside_any(specific_files, old_path):
426
delta.removed.append((old_path, file_id, kind))
428
mutter('start looking for new files')
429
for file_id in new_inv:
430
if file_id in old_inv:
432
new_path = new_inv.id2path(file_id)
434
if not is_inside_any(specific_files, new_path):
436
kind = new_inv.get_file_kind(file_id)
437
delta.added.append((new_path, file_id, kind))
442
delta.modified.sort()
443
delta.unchanged.sort()